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Add TCNN_HALF_PRECISION definition to RTC-kernel #529

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Merged
Tom94 merged 2 commits into from
Dec 14, 2025
Merged

Add TCNN_HALF_PRECISION definition to RTC-kernel #529

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2208f7d
Add TCNN_HALF_PRECISION definition to kernel
julcst Dec 14, 2025
09ee3d6
fix(rtc): move TCNN_HALF_PRECISION definition to compiler opts
Tom94 Dec 14, 2025
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5 changes: 4 additions & 1 deletion src/rtc_kernel.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -178,6 +178,8 @@ CudaRtcKernel::CudaRtcKernel(const std::string& name, const std::string& kernel_
{OPTS}
*/

#define TCNN_HALF_PRECISION {TCNN_HALF_PRECISION}

// NVRTC does not come with the C++ standard library out of the box and
// it would be troublesome to bundle it or require users to have it installed
// in readily available paths. So we instead include a minimal custom
Expand All @@ -190,7 +192,8 @@ CudaRtcKernel::CudaRtcKernel(const std::string& name, const std::string& kernel_
"KERNEL_NAME"_a = name,
"PREAMBLE"_a = generate_device_code_preamble(),
"OPTS"_a = join(opts, "\n"),
"KERNEL_CODE"_a = kernel_code
"KERNEL_CODE"_a = kernel_code,
"TCNN_HALF_PRECISION"_a = TCNN_HALF_PRECISION
);

size_t code_hash = hash_combine(0, complete_code);
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